Lantern



FIG. 1 is a perspective view of a lantern showing our new design;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a rear elevation view thereof;

FIG. 4 is a side elevation view thereof;

FIG. 5 is a second side elevation view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

The broken line showing is for environmental purposes only and forms nopart of the claimed design.

The ornamental design for a lantern, as shown and described.